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Cell phone has become an affordable and popular communication device, its immense communication potential can be manipulated for nefarious designs. Cell phone can be used for academic malpractices, corporate espionage, antisocial, terrorist and disruptive activities and far more.

Cell phone jammer is a device used to prevent cellular phone from receiving signals from or transmitting signals to base stations. When they used Cell phone, the jammer effectively disables cellular phone. These devices can be used in practically any location, but are found primarily in places where a phone call would be disruptive because silence is expected. Cell phone jammer can block all kinds of mobile phone signals at all place such as church, cinema, library, theater and meeting room. Buy and attach it at some place and you will free yourself from the bell sound of mobile phone.

Cell phone jammer block mobile phone use by sending out radio waves along the same frequencies that cellular phone use which causes interference with the communication between Cell rings and towers to render the rings unusable. Its effect can vary widely based on elements such as propinquity to towers, indoor and outdoor settings, presence of buildings and landscape, even temperature and humidity play a role.

Jammed phone will indicate that there is no service or no network signal. Cell phone jammers were originally developed for use by the military and law enforcement authorities to monitor and interrupt communications of the criminals and the terrorists. Their popularization led to their civilian applications. The mobile phone jammers are now used by public departments and private bodies to disable all the cell rings operating in the targeted area. The aim of using the jammers is to control the disruptive or incendiary use of the cell phone. The locales which the jammers usually target are the places of worship such as church buildings, temples, mosques, libraries, film theaters, classrooms, examination centers, conference and meeting rooms and other areas where silence needs to be observed.

Cell phone are full-duplex devices, which means they use separate frequencies, for speaking and for listening simultaneously. Some jammers block of the frequencies used by cell rings, which has the effect of blocking both. The phone is tricked in to thinking there is no service because it can receive of the frequencies.

A Cell phone jamming tool is ideal for meeting rooms, conference rooms, museums, galleries, theatres, concert halls, church buildings, temples, restaurants, classrooms, training centers, factories, banks, trains, buses etc or in case you require to keep away from knowledge being disclosed secretly in the coursework of meeting and anywhere else you require peace and calm.

Cellular Jamming and Jammers is tiny in size and straightforward to over around and transportable, and could even be basically slip in to your coat pocket which allows you over it anywhere. The jammers may even end the different brands of the cell phone from receiving and transmitting signals to the towers, by either disrupting the phone to tower frequencies or vice versa. You can also log on www.comstrac.com/ for more details.